WO2013109596A1 - Verrou coulissant tel qu'un verrou de câble - Google Patents

Verrou coulissant tel qu'un verrou de câble Download PDF

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Publication number
WO2013109596A1
WO2013109596A1 PCT/US2013/021691 US2013021691W WO2013109596A1 WO 2013109596 A1 WO2013109596 A1 WO 2013109596A1 US 2013021691 W US2013021691 W US 2013021691W WO 2013109596 A1 WO2013109596 A1 WO 2013109596A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel
sliding lock
elongate object
cord
hole
Prior art date
Application number
PCT/US2013/021691
Other languages
English (en)
Inventor
David A. Shereyk
Original Assignee
Illinois Tool Works Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Illinois Tool Works Inc. filed Critical Illinois Tool Works Inc.
Publication of WO2013109596A1 publication Critical patent/WO2013109596A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/04—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps
    • F16G11/044—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps friction clamps deforming the cable, wire, rope or cord
    • F16G11/048—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps friction clamps deforming the cable, wire, rope or cord by moving a surface into the cable

Definitions

  • the sliding lock disclosed herein relates generally to mechanisms that can be secured at locations along elongate elements such as a string, cord, strap rod or the like; and, more particularly, it relates to cord locks used for example on cords, drawstrings, straps, webs and the like that can be found on, for example, clothing, luggage, sporting gear, personal equipment and the like.
  • Drawstrings and cords are used extensively on various items such as, for example, articles of clothing, sporting goods, back packs and other luggage or the like.
  • hoods on jackets, sweatshirts and other garments commonly are provided with drawstrings around the front opening, allowing the hood to be tightly closed around the face of the wearer.
  • Clothing such as sweat pants, shorts, swim trunks and the like commonly use drawstrings in the waist band, allowing the garment to be drawn snug around a wearer's waist, without the need for a separate belt.
  • drawstrings, solid cords or ropes and elastic shock cords are used to close pockets and other openings, secure holders, and the like.
  • a drawstring can be secured simply by tying together the two ends thereof or, if the drawstring is provided as a continuous loop, pulling a segment of the loop together and tying a simple knot.
  • a simple knot works effectively in securing the drawstring or cord.
  • a simple knot can work loose, allowing slack into the fixed loop or tightened length of the drawstring or cord.
  • Complex knots can be used to prevent loosening but have the disadvantage of being complicating to form and difficult to untie.
  • not all users have familiarity with sufficient knot tying techniques, or may lack the dexterity required to form the knot properly with the cord or drawstring in a taut condition. The use of even a simple knot is inconvenient if frequent adjustments in the cord are required.
  • cord locks have been used.
  • the cord is passed through the cord lock, which in one way or other pinches or binds the cord therein, often with a spring-biased plunger.
  • the cord lock simply slides along the cord when the plunger mechanism is disengaged, and stays in position on the cord when the pinching features of the plunger mechanism are engaged.
  • cord locks of such a design can be inconvenient in that there are three separate, discrete items to be manipulated; the cord, the lock and the article on which the cord is used, and disengaging the cord lock requires compressing the plunger into the body and against the spring.
  • thermoplastic elastomer can be processed to align the crystalline structure thereof to a permanently deformed thinner shape having increased flexibility while maintaining the strength of a thicker, more robust and less flexible body.
  • the process has been referred to as "orienting" and can be found described in United States Patent 7,441,758 and in United States Patent Application Publication 2006/0267258.
  • the sliding lock disclosed herein is simple in design and simple to use. In use, it does not have moving parts to activate or deactivate when making adjustments. It incorporates a soft, elastomeric part providing urging force against a cord, rope, string, strap or other elongate element on which the lock is used.
  • a sliding lock useful on an elongate object is provided with a body defining a hole through which the elongate object extends; a peripheral channel defined in the body, the hole opening into the channel; and an elastomeric retainer disposed in the channel and urged against the elongate object when the elongate object is extended through the hole.
  • a sliding lock on an elongate object is provided with a body defining a hole, the elongate object extending through the hole.
  • a peripheral channel is defined in the body, the hole opening into the channel.
  • An elastomeric retainer is disposed in the channel and urged against the elongate object along a length of the elongate object extending outwardly from the opening of the hole.
  • a sliding lock useful on an elongate object is provided with a body defining a hole through which the elongate object extends; a peripheral channel defined in the body, the hole opening into the channel; an elastomeric retainer having a loop disposed in the channel and urged against the elongate object when the elongate object is extended through the hole; and the loop being of a material treated by a process for orienting crystalline structure of the material.
  • FIG. 1 is an elevational view of a cord lock installed on a cord
  • FIG. 2 is a perspective view of the cord lock and cord of Fig. 1;
  • Fig. 3 is a cross-sectional view of the cord lock and cord, the cross-section taken along line 3-3 of Fig. 2;
  • Fig. 4 is a perspective view of one part of the cord lock
  • FIG. 5 is a perspective view of another part of the cord lock
  • FIG. 6 is a top view of another embodiment of a cord lock, shown installed on a cord;
  • FIG. 7 is a perspective view of the cord and cord lock shown in Fig. 6;
  • FIG. 8 is a top view of yet another embodiment of a cord lock
  • FIG. 9 is a an illustration of the cord lock of Fig. 8 installed on the cord after forming a loop in the cord;
  • FIG. 10 is a side view of the installed cord lock of Fig. 9;
  • FIG. 11 is a top view of a further modification of the cord lock as shown in
  • FIG. 12 is a perspective view of a part for a cord lock similar to the cord locks shown in Figs. 8-11;
  • FIG. 13 is a perspective view of the part of Fig. 12, shown in a fully installed cord lock on a cord;
  • Fig. 14 is a cross-sectional view of the installed cord lock shown in Fig.
  • Fig. 15 is a plan view of another lock shown installed on a strap.
  • Cord lock 100 includes an annular body 104 and an elastomeric retainer 106 surrounding annular body 104.
  • body 104 is generally shaped as a ring, having an open center or internal void, and diametrically opposed and aligned holes 108, 110 on opposite sides of the void defining a path through body 104.
  • Cord 102 extends along the path body 10 defined by through holes 108, 110.
  • the outer peripheral surface of body 104 defines a circumferential channel 112.
  • Holes 108 and 110 have openings thereto in circumferential channel 112 and in the axial void defined by annular body 104.
  • Elastomeric retainer 106 includes first and second loops 114, 116, respectively, and a web 118 between first and second loops 114, 116.
  • first and second loops 114, 116 are disposed within channel 112, on opposite sides of cord 102 where cord 102 passes through holes 108, 110.
  • First and second loops 114, 116 are pinched between cord 102 and the walls defining channel 112.
  • First and second loops 114, 116 are urged against cord 102 and provide frictional resistance to relative movement between cord 102 and body 104.
  • channel 112 of body 104 can be formed with enlargements 122 in the width of channel 112 adjacent holes 108, 110 to more readily accommodate loops 114, 116 adjacent cord 102 therebetween.
  • Body 104 can be a molded synthetic material such as plastic, an elastomer, or the like.
  • Elastomeric retainer 106 is made of material that is suitably elastic to be stretched over the widest portions of body 104, while seating securely within channel 112 and against cord 102 after installation in channel 112. Accordingly, elastomeric retainer 106, and specifically first and second loops 114, 116 thereof are snapped into the receiving channel or groove 112 similar to the manner in which an O-ring is seated. Elastomeric retainer 106 traps the cord and prevents premature sliding movement.
  • the elastomeric retainer adds a sliding frictional force against the direct smooth path of cord 102 as routed through the cord lock body 104, and specifically as a cord 102 passes through holes 108, 110.
  • the force required to actuate relative movement between cord lock 100 and cord 102 can be tuned via part design and dimensions.
  • the hoop stress provided by elastomeric retainer 106 also can be controlled through the selection of materials, size and treatments such as orienting, to be described subsequently.
  • Elastomeric retainer 106, and particularly individual loops 114, 116 thereof, can be molded from flexible, yet wear and tear resistant material to prevent fraying of the cord while also maintaining tensile strength and frictional force for the life of the intended product.
  • Elastomeric retainer 106 may be manufactured from essentially elastomeric material capable of being oriented to provide the desired final characteristics.
  • the material used may be a thermoplastic elastomer, polyester, nylon-based TPE or a thermoplastic urethane.
  • a variety of alternative elastomers may be suitable for use in the present sliding locks.
  • the thickness and shape can vary from one application to another, depending on conditions in which it will be used and the desired performance characteristics, including flexibility and retention. Accordingly, the as-molded size and shape of elastomeric retainer 106 can differ to achieve the desired result after processing for orienting.
  • first and second loops 114, 116 are oriented to achieve the desired final physical characteristics.
  • first and second loops 114, 116 may be intentionally and permanently deformed during processing to align the crystalline structure thereof.
  • the portion(s) to be oriented are intentionally molded in an as molded size that is smaller and thicker than required during use, with the amount different being equivalent to the amount of permanent deformation that will be brought on during the orienting process.
  • the precise method and manner of orienting may vary from application to application and may differ depending in part on the intended use and final characteristics required, and the material used for the portions to be oriented.
  • a single act of stretching, repeated acts of stretching under the same or different conditions and/or compression by hammering or pressing are all examples of suitable orienting processes. Acts of bending around a curved surface such as a mandrel, or twisting while stretching can be used to develop permanently curved or rotated shapes in the oriented portion.
  • body 104 need not be annular, and can be provided in a variety of different shapes.
  • Figs. 6 & 7 illustrate a cord lock 200 on a cord 202, cord lock 200 having a triangle shaped body 204 receiving an elastomeric retainer 206, all similar to the corresponding elements described previously, except for the shape of body 204. Still other shapes can be used as well.
  • a small, solid cord lock 300 on a cord 302 is shown in Figures 8-10.
  • Cord lock 300 includes a body 304 and an elastomeric retainer 306, which may be processed by orienting as described previously, retainer 306 being seated within a channel 312 of body 304.
  • FIG. 11 An additional feature of elastomeric retainer 306 is shown in Figure 11 in which the elastomeric retainer 306 is manufactured with an integral tie-down or hold-down tab 307, which is an outwardly projecting tab having a mounting hole 309 therein through which a fastener or stitching can be used to fasten cord lock 300 to an object.
  • FIG. 12 shows a body 404 which may be similar to body 304 shown in the previous drawings.
  • Body 404 includes two generally semi-spherical halves 403, 405 separated by column 407 having a through hole 408 extending there through.
  • Column 407 is of smaller diameter than the diameters of the bases of semi- spherical haves 403, 405 such that a circumferential channel 412 is defined, with opposite ends of through hole 408 opening into circumferential channel 412.
  • Figs. 13 and 14 illustrate an installation of a cord lock 400 on a cord 402, cord lock 400 including body 404 as described previously and an elastomeric retainer 406.
  • elastomeric retainer 406 is a single hoop, loop or ring, which may be processed by orienting as described previously, retainer 406 being snapped into channel 412.
  • Elastomeric retainer 406 is installed within channel 412 so that elastomeric retainer 406 is on one side of cord 402 at one and of through hole 408 and is on the opposite side of cord 402 at the opposite end of through hole 408, and therefore urged against cord 402 at each end of through hole 408.
  • cord locks as disclosed herein can be provided in a variety of sizes and shapes to accommodate cords, strings, ropes and other generally elongated structures.
  • Fig. 15 illustrates a cord lock 500 on a strap 502, with cord lock 500 including a body 504 and an elastomeric retainer 506, which may be processed by orienting as described previously, retainer 506 including a tie-down tab 507 having a mounting hole 509.
  • cord lock of the present design can also be used as a rod lock, disposed on and sliding along a rod, tube or other more rigid elongate element for one purpose or another.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)

Abstract

L'invention porte sur un verrou coulissant, lequel verrou est utile sur des objets allongés tels que des câbles, des ficelles, des cordes, des sangles, et analogues, et a un corps définissant un trou à travers lequel s'étend l'objet allongé, un canal périphérique défini dans le corps et un élément de maintien élastomère disposé dans le canal et poussé contre l'objet allongé à l'intérieur du canal. Un matériau de l'élément de maintien peut être traité par un traitement pour orienter la structure cristalline du matériau.
PCT/US2013/021691 2012-01-18 2013-01-16 Verrou coulissant tel qu'un verrou de câble WO2013109596A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261587840P 2012-01-18 2012-01-18
US61/587,840 2012-01-18

Publications (1)

Publication Number Publication Date
WO2013109596A1 true WO2013109596A1 (fr) 2013-07-25

Family

ID=47631743

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2013/021691 WO2013109596A1 (fr) 2012-01-18 2013-01-16 Verrou coulissant tel qu'un verrou de câble

Country Status (1)

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WO (1) WO2013109596A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2636237A (en) * 1951-04-02 1953-04-28 Nathaniel W Price Flexible shoelace fastener
AT192804B (de) * 1955-07-09 1957-11-11 Clotilde Steininger Schuhbandmasche
JPH10304911A (ja) * 1997-05-09 1998-11-17 Oosumi Kogei:Kk 紐止め具
US20060267258A1 (en) 2004-06-17 2006-11-30 Illinois Tool Works Inc. Load bearing surface

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2636237A (en) * 1951-04-02 1953-04-28 Nathaniel W Price Flexible shoelace fastener
AT192804B (de) * 1955-07-09 1957-11-11 Clotilde Steininger Schuhbandmasche
JPH10304911A (ja) * 1997-05-09 1998-11-17 Oosumi Kogei:Kk 紐止め具
US20060267258A1 (en) 2004-06-17 2006-11-30 Illinois Tool Works Inc. Load bearing surface
US7441758B2 (en) 2004-06-17 2008-10-28 Illinois Tool Works Inc. Load bearing surface

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